: Fans often note that while the show uses Holmes, it takes significant liberties—such as implying he only targeted young blonde women, whereas his actual victims were diverse in age and gender.

: Unlike many other spirits that are salted and burned, Holmes's remains were encased in concrete per his own death-row request to prevent desecration. To defeat him, the Winchesters trap his spirit in a salt circle beneath a fresh layer of concrete, effectively entombing him forever.

Sam and Dean Winchester travel to Philadelphia to investigate the mysterious disappearances and murders of young blonde women from a specific apartment building. They soon discover the culprit is the spirit of H.H. Holmes, who has converted the building’s internal structure into a modern version of his infamous "Murder Castle".

The sixth episode of Supernatural's second season, , originally aired on November 2, 2006. It is a standout early-series episode that blends historical true crime with the show's urban legend lore, specifically featuring the ghost of America's first known serial killer, H.H. Holmes. Plot Summary

The episode also serves as a pivotal character development point for , who defies her mother Ellen's wishes to join the brothers on the hunt. Jo’s eagerness to prove herself leads to her being captured by Holmes and buried alive in a confined space, forcing the Winchesters to stage a high-stakes rescue. Key Highlights & Trivia

[s2e6] No Exit May 2026

: Fans often note that while the show uses Holmes, it takes significant liberties—such as implying he only targeted young blonde women, whereas his actual victims were diverse in age and gender.